Simple script to check api availability and send alerts via SES

api-monitor.py

#!/usr/bin/env python

import os
import sys
import time
import random
import string
import json
import hashlib
import socket
import urllib
import urllib2
from operator import itemgetter
from pprint import pprint
import StringIO

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText

import boto
from boto.ses import SESConnection

## config
AWS_ACCESS_KEY = 'XXX'
AWS_SECRET_KEY = 'XXX'
TO_ADDRESS = 'XXX@example.com'
FROM_ADDRESS = 'XXX@example.com'
API_ENDPOINT = 'http://example.com/api/system/health'

def send_alert(subject, body):    
    ## ses connect
    try:
        ses = SESConnection(AWS_ACCESS_KEY, AWS_SECRET_KEY)
        result = ses.send_email(FROM_ADDRESS, subject, body, TO_ADDRESS)
        return True
    except:
        return False

def test_api():
    subject = 'ALERT: api outage'
    try:
        url = API_ENDPOINT
        headers = {}
        params = {}
        url = url + '?' + urllib.urlencode(params)
        req = urllib2.Request(url, None, headers)
        response = json.load(urllib2.urlopen(req))
        if response['meta']['status'] != 'OK':
            send_alert(subject, 'api not OK')
    except:
        send_alert(subject, 'api call failed')
    return True
    
def main():
    test_api()
    
if __name__ == '__main__':
    sys.exit(main())